Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Stereocidaris microtuberculata (ambulacral plates + spine section) Description a. Ambulacral plates, b. Part of transverse section of primary spine.a. Scale 2 mm, b. Scale 400 µ. Author Mortensen, Theodor JPG file - 95.54 kB - 1 358 x 392 pixels added on 2011-02-23237 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Mortensen, Theodor Click here to return to the thumbnails overview